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ELFORUM - Forumul electronistilor

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Salut. Imi cumparasem un ICL7107 ca sa-mi fac un voltmetru digital. Am montat totul pe breadboard si i-am dat tensiune dar ca prostu' am uitat ca sursa e la maxim pusa 30v. A iesit nitica fum si repede am oprit totul. ICL-ul e facut pt +/- 5v. E posibil totusi sa nu se fi ars? In circuit dot-urile de pe segmente lumineaza dar daca pun o tensiune s-o citeasca nu se schimba nimic. Problema e ca nu stiu daca am gresit ceva-n circuit sau e ars cip-ul.

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